From 6be2751a87712c29ae48c758dc6ee34339bb1cf9 Mon Sep 17 00:00:00 2001
From: Brian Lewis <31142584+brianrlewis@users.noreply.github.com>
Date: Wed, 16 Dec 2020 22:59:03 -0800
Subject: [PATCH] Fix conflict with simplito/bigint-wrapper-php

This fix prevents an 'Exception: Invalid characters' error in vendor/simplito/bigint-wrapper-php/lib/BigInteger.php:328 that occurs when php-gmp is not installed which causes BigInteger.php to use php-bcmath as a fallback.
---
 src/EcRecover.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/EcRecover.php b/src/EcRecover.php
index 86720eb..fc73090 100644
--- a/src/EcRecover.php
+++ b/src/EcRecover.php
@@ -17,7 +17,7 @@ class EcRecover
      */
     public static function personalEcRecover(string $message, string $signature)
     {
-        $message_hash =  '0x' . Keccak::hash(self::personalSignAddHeader($message), 256);
+        $message_hash = Keccak::hash(self::personalSignAddHeader($message), 256);
         $address = self::phpEcRecover($message_hash, $signature);
         return $address;
     }